33] Leetcode 1304. Find N Unique Integers Sum up to Zero

Find N Unique Integers Sum up to Zero - LeetCode

class Solution {
public:
    vector<int> sumZero(int n) {
        vector<int>ans;
        if(n%2 == 0){
            for(int i = 1;i<=n/2;i++){
                ans.push_back(i);
                ans.push_back(-i);
            }
        }
        else{
            ans.push_back(0);
            for(int i = 1;i<=n/2;i++){
                ans.push_back(i);
                ans.push_back(-i);
            }
        }
        
        return ans;
    }
};​